Question

Are there any modules or packages which help parsing csv content from a uploaded csv file in appengine. tried using the csv package in python. but it could parse only files in file system but could not data..
http://docs.python.org/library/csv.html

Answer 1

but it could parse only files in file
system but could not data

No, csv.reader accepts any object that supports line-by-line iteration. Assuming cgi.FieldStorage supports it, and assuming you’ve posted a file named “file”, you should be able to do this:

import csv
for row in csv.reader(self.request.POST['file']):
  # process row